Do I need permission to use the Occupational Stress Scale (OSS) (House, McMichael, Wells, Kaplan & Landerman, 1979)?

I am a PhD student hoping to use the Occupational Stress Scale (OSS) (House, McMichael, Wells, Kaplan & Landerman, 1979) in my thesis. I cannot find copyright details anywhere. If anyone can...

13 March 2024 7,670 2 View